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Finding the Fourth Proportional to 167,254.43, 230,802.69 and 99,274.37

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Solution

The fourth proportional to 167,254.43, 230,802.69 and 99,274.37 is: 136,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,254.43 : 230,802.69 = 99,274.37 : x
  2. Step 2: Convert to fraction form
    167,254.43/230,802.69 = 99,274.37/x
  3. Step 3: Cross multiply
    167,254.43x = 230,802.69 × 99,274.37
  4. Step 4: Simplify right side
    167,254.43x = 22,912,791,644.06
  5. Step 5: Solve for x
    x = 22,912,791,644.06/167,254.43
  6. Step 6: Final answer
    x = 136,993.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.